A ) United Kingdom Orders in Council applicable to Pitcairn only
The Pitcairn (Court of Appeal) Order 2012 No. 1761
The Pitcairn Constitution Order 2010 No. 244. (This contains the Constitution of Pitcairn, which is also available for downloading from the Pitcairn Ordinances site.)
The Pitcairn (Appeals to Privy Council) Order 2000 No 1816

B ) Other United Kingdom Orders in Council applicable to Pitcairn (along with other territories or places). Where there are two links, the second is to a document containing a correction to the Order in Council.

The following list comprises UK Orders in Council (with effect on Pitcairn as well as other Territories) that impose sanctions on designated persons and restrictions on export and supply of equipment to regimes in the respective named countries. To find, in relation to each Order in Council, a list of the designated persons to whom it applies, look here. On that site there is both a consolidated list of targets across ALL the regimes, and (under the heading Documents) links to separate designation lists for each regime.
 
To find the list of restricted equipment in relation to each Order in Council, look here.

2019
The Sanctions (Overseas Territories) (Amendment) Order 2019 No 185
The Eritrea (Sanctions) (Overseas Territories) (Revocation) Order 2019 No 184

2018
The Chemical Weapons (Sanctions) (Overseas Territories) Order 2018 No 1361
The Burma and Somalia (Sanctions) (Overseas Territories) (Amendment) Order 2018 No 1351
The Sanctions (Overseas Territories) (Amendment of Information Provisions) Order 2018 No 1076
The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) Order 2018 No 524
The Venezuela (Sanctions) (Overseas Territories) Order 2018 No 179

2017
The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) (No. 4) Order 2017 No 1277
The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) (No. 3) Order 2017 No 1108
The Mali (Sanctions) (Overseas Territories) Order 2017 No 1107
The Policing and Crime Act (Financial Sanctions) (Overseas Territories) Order 2017 No 984
The Repatriation of Prisoners (Overseas Territories) Order 2017 No 983
The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) (No. 2) Order 2017 No 780
The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) Order 2017 No 320
The Emergency Powers (Overseas Territories) Order 2017 No 181
The Syria (Restrictive Measures) (Overseas Territories) (Amendment) Order 2017 No 169
The Democratic Republic of the Congo (Sanctions) (Overseas Territories) (Amendment) Order 2017 No 160
The Terrorist Asset-Freezing etc. Act 2010 (Overseas Territories) (Amendment) Order 2017 No 157

2016
The ISIL (Da�esh) and Al-Qaida (Sanctions) (Overseas Territories) Order 2016 No. 1218
The Iran (Sanctions) (Overseas Territories) (Amendment) (No. 2) Order 2016 No 1120
The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) (No. 3) Order 2016 No 991
The Extradition Act 2003 (Overseas Territories) Order 2016 No 990
The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) (No. 2) Order 2016 No 769
The Liberia and C�te d�Ivoire (Sanctions) (Overseas Territories) (Revocations) Order 2016 No 766
The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) Order 2016 No. 630
The Iran (Sanctions) (Overseas Territories) (Amendment) Order 2016 No. 560
The Iran (Sanctions) (Overseas Territories) Order 2016 No 371

2015
The Liberia (Sanctions) (Overseas Territories) Order 2015 No. 1899
The Burundi (Sanctions) (Overseas Territories) Order 2015  No. 1898
The Iran (Restrictive Measures) (Overseas Territories) (Amendment) (No. 2) Order 2015 No 1772
The Air Navigation (Overseas Territories) (Amendment) Order 2015 No 1769
The Syria (Restrictive Measures) (Overseas Territories) (Amendment) (No. 2) Order 2015 No 1528
The South Sudan (Sanctions) (Overseas Territories) (Amendment) Order 2015 No 1527
The Iraq (Sanctions) (Overseas Territories) Order 2015 No 1383
The Democratic Republic of the Congo (Sanctions) (Overseas Territories) Order 2015 No 1382
The Yemen (Sanctions) (Overseas Territories) (No.2) Order 2015 No 1381
The Central African Republic (Sanctions) (Overseas Territories) (Amendment) Order 2015 No 1380
The Zimbabwe (Sanctions) (Overseas Territories) (Amendment and Revocation) Order 2015 No.  826
The Iran (Restrictive Measures) (Overseas Territories) (Amendment and Suspension) Order 2015 No. 825
The Syria (Restrictive Measures) (Overseas Territories) (Amendment) Order 2015 No. 824
The Air Navigation (Overseas Territories) (Environmental Standards) (Amendment) Order 2015 No. 236
The Yemen (Sanctions) (Overseas Territories) Order 2015 No. 218
The Russia, Crimea and Sevastopol (Sanctions) (Overseas Territories) (Amendment) Order 2015 No 213

2014
The Air Navigation (Overseas Territories) (Amendment) (No. 2) Order 2014 No. 3281
The Air Navigation (Overseas Territories) (Environmental Standards) Order 2014 No 2926
The Air Navigation (Overseas Territories) (Amendment) Order 2014 No 2925
The Russia, Crimea and Sevastopol (Sanctions) (Overseas Territories) (Amendment) Order 2014 No. 2919

To see the lists referred to in s 8A see:
COUNCIL REGULATION (EU) No 692/2014 of 23 June 2014COUNCIL REGULATION (EU) No 825/2014 of 30 July 2014

The United Nations Sanctions (Revocations) Order 2014 No. 2711
The Russia, Crimea and Sevastopol (Sanctions) (Overseas Territories) Order 2014 No. 2710

As to s 16 of the Order, the lists referred to may be found at the following links:
Russian Sanctions
Crimea and Sevastopol Sanctions (of 23 June 2014)Crimea and Sevastopol Sanctions (of 30 July 2014)

The Sudan (Sanctions) (Overseas Territories) Order 2014 No. 2707
The South Sudan (Sanctions) (Overseas Territories) Order 2014 No. 2703
The Central African Republic (Sanctions) (Overseas Territories) Order 2014 No. 1368
The Ukraine (Sanctions) (Overseas Territories) (No. 2) Order 2014 No. 1100
The Ukraine (Sanctions) (Overseas Territories) (No. 3) Order 2014 No. 1098
The Ukraine (Sanctions)(Overseas Territories) Order 2014 No. 497
The Syria (Restrictive Measures) (Overseas Territories) (Amendment) Order 2014 No. 269

2013
The Libya (Restrictive Measures) (Overseas Territories) (Amendment) Order 2013 No. 3160
The Air Navigation (Overseas Territories) Order 2013 No. 2870
The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) (No.2) Order 2013 No. 2599
The Syria (Restrictive Measures) (Overseas Territories) (Amendment) (No.2) Order 2013 No. 2598
The Syria (Restrictive Measures) (Overseas Territories) (Amendment) Order 2013 No. 1719

Designated persons
Restricted goods (1)
Restricted goods (2)Restricted goods (3)

The Democratic People�s Republic of Korea (Sanctions) (Overseas Territories) (Amendment) Order 2013 No. 1718
The Burma (Sanctions) (Overseas Territories) Order 2013 No. 1447

Restricted goods (1)
Restricted goods (2)Restricted goods (3)

The Zimbabwe (Sanctions) (Overseas Territories) (Suspension and Amendment) Order 2013 No. 1446
The Iran (Restrictive Measures) (Overseas Territories) (Amendment) (No. 2) Order 2013 No. 1444
The Somalia (Sanctions) (Overseas Territories) (Amendment) Order 2013 No. 1443
The Iran (Restrictive Measures) (Overseas Territories) (Amendment) Order 2013 No. 786
The Guinea (Sanctions) (Overseas Territories) Order 2013 No. 244
The United Nations Sanctions (Overseas Territories) (Revocations) Order 2013 No. 237

2012
The Syria (Restrictive Measures) (Overseas Territories) (Amendment) Order 2012 No. 3069

Designated persons
Restricted goods (1)
Restricted goods (2)

The Guinea-Bissau (Sanctions) (Overseas Territories) Order 2012 No. 3068
The C�te d�Ivoire (Sanctions) (Overseas Territories) Order 2012 No. 3067
The DPRK (Sanctions) (Overseas Territories) Order 2012 No. 3066

Designated persons
Restricted goods (1)
Restricted goods (2)Restricted goods (3)
Restricted goods (4)

The Somalia (Sanctions) (Overseas Territories) Order 2012 No. 3065

Designated persons
Restricted goods (1)
Restricted goods (2)

The Al-Qaida (United Nations Measures) (Overseas Territories) (Amendment) Order 2012 No. 3064
The Zimbabwe (Sanctions) (Overseas Territories) Order 2012 No. 2753
The Eritrea (Sanctions) (Overseas Territories) Order 2012 No. 2751
The Democratic Republic of the Congo (Restrictive Measures) (Overseas Territories) (Amendment) Order 2012 No. 2750
The Liberia (Restrictive Measures) (Overseas Territories) (Amendment) Order 2012 No. 2749
The Iraq (United Nations Sanctions) (Overseas Territories) (Amendment) Order 2012 No. 2748
The Burma (Restrictive Measures) (Overseas Territories) (Suspension) Order 2012 No. 2596
The United Nations Sanctions (Overseas Territories) (Revocations) Order 2012 No. 2592
The Afghanistan (United Nations Measures) (Overseas Territories) Order 2012 No. 1758
The Al-Qaida (United Nations Measures) (Overseas Territories) Order 2012 No. 1757
The Iran (Restrictive Measures) (Overseas Territories) Order 2012 No. 1756
The Syria (Restrictive Measures) (Overseas Territories) Order 2012 No. 1755

Designated persons
Restricted goods (1)
Restricted goods (2)

The Iran (Restrictive Measures) (Overseas Territories) (Amendment) Order 2012 No. 1389
The Sudan and South Sudan (Restrictive Measures) (Overseas Territories) Order 2012 No. 361
The Restrictive Measures (Amendment) (Overseas Territories) Order 2012 No. 362
The Libya (Restrictive Measures) (Overseas Territories) (Amendment) Order 2012 No. 356

2011
The International Criminal Tribunal for the former Yugoslavia (Restrictive Measures) (Overseas Territories) (Revocation) Order 2011 No. 2990
The Iran (Restrictive Measures) (Overseas Territories) Order 20112011 No. 2989
The Belarus (Restrictive Measures) (Overseas Territories) (Amendment) Order 2011 No. 2988
The Libya (Restrictive Measures) (Overseas Territories) (Amendment) Order 2011 No. 2717
The Belarus (Restrictive Measures) (Overseas Territories) Order 2011 No. 2440 (correction)
The Belarus (Restrictive Measures) (Overseas Territories) Order 2011 No. 2440
The Egypt (Restrictive Measures) (Overseas Territories) Order 2011 No. 1679
The Syria (Restrictive Measures) (Overseas Territories) Order 2011 No. 1678
The Libya (Restrictive Measures) (Overseas Territories) Order 2011 No. 1080
The Terrorist Asset-Freezing etc. Act 2010 (Overseas Territories) Order 2011 No. 750
The Tunisia (Restrictive Measures) (Overseas Territories) Order 2011 No. 748
The Air Navigation (Overseas Territories) (Amendment) Order 2011 No. 237

2010
The Geneva Conventions (Overseas Territories) Order 2010 No. 2963
The Uzbekistan (Restrictive Measures) (Overseas Territories) (Revocation) Order 2010 No. 767
The International Criminal Court Act 2001 (Overseas Territories) (Amendment) Order 2010 No. 763

2009
The Export of Goods, Transfer of Technology and Provision of Technical Assistance (Control) (Overseas Territories) (Amendment) Order 2009 No. 3212
The Burma (Restrictive Measures) (Overseas Territories) Order 2009 No. 3008
The North Korea (United Nations Sanctions) Order 2009 No. 1749 (correction)
The North Korea (United Nations Sanctions) Order 2009 No. 1749
The North Korea (United Nations Measures) (Overseas Territories) (Amendment) Order 2009 No. 1746
The International Criminal Court Act 2001 (Overseas Territories) Order 2009 No.1738 (correction)
The International Criminal Court Act 2001 (Overseas Territories) Order 2009 No.1738
The Judicial Proceedings in Specified Overseas Territories (Restrictive Measures) Order 2009 No. 888
The Iran (United Nations Sanctions) Order 2009 No. 886 (correction)
The Iran (United Nations Sanctions) Order 2009 No. 886
The Judicial Committee (Appellate Jurisdiction) Rules Order 2009 No. 224

2008
The Air Navigation (Overseas Territories) (Amendment) Order 2008 No. 3125
The British Overseas Territories Citizenship (Designated Service) (Amendment) Order 2008 No. 1240

2007
The Air Navigation (Overseas Territories) Order 2007 No. 3468 (correction)
The Air Navigation (Overseas Territories) Order 2007 No. 3468
The British Nationality (British Overseas Territories) Regulations 2007 No. 3139
The Liberia (Restrictive Measures) (Overseas Territories) (Amendment No. 2) Order 2007 No. 2138
The Iran (United Nations Measures) (Overseas Territories) (Amendment) Order 2007 No. 2132
The Lebanon (United Nations Sanctions) (Overseas Territories) (Amendment) Order 2007 No. 2131
The North Korea (United Nations Measures) (Overseas Territories) (Amendment) Order 2007 No. 1347
The Liberia (Restrictive Measures) (Overseas Territories) (Amendment) Order 2007 No. 284
The Lebanon (United Nations Sanctions) (Overseas Territories) Order 2007 No. 283
The Iran (United Nations Measures) (Overseas Territories) Order 2007 No. 282

2006
The North Korea (United Nations Measures) (Overseas Territories) Order 2006 No. 3327
The Air Navigation (Overseas Territories) (Amendment) Order 2006 No. 1911
The Belarus (Restrictive Measures) (Overseas Territories) Order 2006 No. 1909
The Ivory Coast (Restrictive Measures) (Overseas Territories) (Amendment) Order 2006 No. 610
The Lebanon and Syria (United Nations Measures) (Overseas Territories) Order 2006 No. 311
The Uzbekistan (Restrictive Measures) (Overseas Territories) Order 2006 No. 310